f4afe08337fe9b1876cd79c6f560cb76981ecb5b35109282d3ec3623363bd29e

General

Target
2026-08-03_1ac2a0595de1af4e3c49d0696d024943_elex_phorpiex_wannacry.exe
Size 36KB
Sample260804-dvay4avsgx
SHA256 f4afe08337fe9b1876cd79c6f560cb76981ecb5b35109282d3ec3623363bd29e
MD5 1ac2a0595de1af4e3c49d0696d024943
SHA1 1bc33721c6c820ab85d3a6fb09f17fadfde0ebbb
SHA512 ce5532896802ef29dab4cb71ce1361c8a9147a362c852f65d72f5fd1a7f5c2ec7b354655adefbaeb9cc849d8fe26a02a23b05b667860d0bce766c3b6cc066fb4
SSDEEP 768:V/lQl1JIpfC1V9PqvNBBSzZWhL9aWrUh3GF8B:VIGY9CvNBBStWhFa
TLSH
T1ADF2D91396E900B9E4F11CBC54701F7A9ADBF87D9B1085D7DF70A4A1A83C8B2D724A1D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables embedding registry key / value combination indicative of disabling Windows Defen 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c550-7.dat	INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender

Executes dropped EXE 1 IoCs

pid	Process
1136	windrv.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Driver = "C:\\Windows\\M-529869284659629458624586248562485602465248\\windrv.exe"	2026-08-03_1ac2a0595de1af4e3c49d0696d024943_elex_phorpiex_wannacry.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3989226554-2204910950-1522900112-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Driver = "C:\\Windows\\M-529869284659629458624586248562485602465248\\windrv.exe"	2026-08-03_1ac2a0595de1af4e3c49d0696d024943_elex_phorpiex_wannacry.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\M-529869284659629458624586248562485602465248\windrv.exe	2026-08-03_1ac2a0595de1af4e3c49d0696d024943_elex_phorpiex_wannacry.exe
File opened for modification	C:\Windows\M-529869284659629458624586248562485602465248	2026-08-03_1ac2a0595de1af4e3c49d0696d024943_elex_phorpiex_wannacry.exe
File opened for modification	C:\Windows\M-529869284659629458624586248562485602465248\windrv.exe	2026-08-03_1ac2a0595de1af4e3c49d0696d024943_elex_phorpiex_wannacry.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
1172	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-03_1ac2a0595de1af4e3c49d0696d024943_elex_phorpiex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5540 wrote to memory of 1172	5540	2026-08-03_1ac2a0595de1af4e3c49d0696d024943_elex_phorpiex_wannacry.exe	89
PID 5540 wrote to memory of 1136	5540	2026-08-03_1ac2a0595de1af4e3c49d0696d024943_elex_phorpiex_wannacry.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-08-03_1ac2a0595de1af4e3c49d0696d024943_elex_phorpiex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_1ac2a0595de1af4e3c49d0696d024943_elex_phorpiex_wannacry.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5540
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\171610121718.bat" "
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:1172
- C:\Windows\M-529869284659629458624586248562485602465248\windrv.exe
  C:\Windows\M-529869284659629458624586248562485602465248\windrv.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1136

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:5552

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

171610121718.bat

Path C:\Users\Admin\AppData\Local\Temp\171610121718.bat
Size 308B
SHA256 5d9c79981337527a7f73e8ca386eae9e517af4b828f5fe0df4c6a04d87f062e6
MD5 3ec6a1187eb19035707785f3c7c1447a
SHA1 54808caacf372e6e5926f6c521b840003861e98c
SHA512 e88b68ff1383ba44f861a0d25d0050cba166d673ba4233821707d178eec293d9ee5b2afaf0a465bebf142928c63778addd8d4f1ee3d820adf3b05e9940b4768c
TLSH
T1FDE0CD10D1F7963F1948E137196045CDC231BB941E8627109710C44B71C180CB653B81
MD5 SHA1 SHA512 TLSH

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windrv.exe

Path C:\Windows\M-529869284659629458624586248562485602465248\windrv.exe
Size 36KB
SHA256 f4afe08337fe9b1876cd79c6f560cb76981ecb5b35109282d3ec3623363bd29e
MD5 1ac2a0595de1af4e3c49d0696d024943
SHA1 1bc33721c6c820ab85d3a6fb09f17fadfde0ebbb
SHA512 ce5532896802ef29dab4cb71ce1361c8a9147a362c852f65d72f5fd1a7f5c2ec7b354655adefbaeb9cc849d8fe26a02a23b05b667860d0bce766c3b6cc066fb4
SSDEEP 768:V/lQl1JIpfC1V9PqvNBBSzZWhL9aWrUh3GF8B:VIGY9CvNBBStWhFa
TLSH
T1ADF2D91396E900B9E4F11CBC54701F7A9ADBF87D9B1085D7DF70A4A1A83C8B2D724A1D
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads